Elm, Jefferson American ElmFully resistant to Dutch Elm disease, this selection was cloned from a surviving Elm in Washington, DC. Its shape, unique, rounded, spreading canopy and deep green foliage make this an outstanding specimen tree. Superb shade tree! Disease resistant Outstanding shade tree with unique shape and form Easy to grow Tolerant of street side conditions Category: Tree Hardiness Zone: 5 9 Height: 40 50 ft Spread: 40 50 ft Bloom Color: Green Shades Growing &